– The USB stick may not have been made bootable correctly. Re‑run the Acronis Media Builder and select "USB flash drive" again, or try a different USB port (preferably a USB 2.0 port).
Is your target PC using a newer or an older SATA HDD ?
Here is the magic combination:
If a drive fails completely, a new drive needs to be restored from an external backup, which requires booting from the USB.
: Under "Boot selection," click SELECT and choose your Acronis 2015 ISO. Set Partition Scheme : acronis true image 2015 iso bootable usb
Under , click Select and choose your downloaded Acronis 2015 ISO file. Choose the Partition scheme :
If your USB boots but cannot see your RAID controller or network card, you need to "inject" drivers. Acronis True Image 2015 allows this via the option (available only during installation). – The USB stick may not have been made bootable correctly
When your operating system is corrupted and won't boot, the USB allows you to load Acronis and restore a backup image.